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Cat Pheromones Diffuser + Refills
Cat Pheromones Diffuser + Refills
★★★★★ Rated 4.8/5 by 17,000+ devoted multi-cat parents

Multi-Cat Peace System

Help Your Cats Share The Same Home Again

The complete system designed for multi-cat households dealing with hissing, chasing, hiding, constant tension, and doors that have to stay closed.

Only 9 Left in stock
Almost Sold Out: High Demand Due to Limited Time Sale!
⏱ Order now for delivery by: October 9
✓ Directions For Use
Directions For Use
✓ How Many Diffusers Do I Need?
How Many Diffusers Do I Need?

Are you still unsure and want more details? Click here!

✓ How Long Do the Pheromones Last?

Each diffuser unit includes 2 pheromone refills for a total of 60 days of coverage (30 days per bottle). If you purchase more than one diffuser, 2 refills will be included for each diffuser unit.

When the liquid in a bottle runs out, if you want to continue providing your cats with the calming effect, simply replace the empty bottle with a new refill.

To ensure continuous coverage even after the first 60 days included with your initial 2 refills, you can subscribe and save an additional 25% while receiving 2 new refills every 60 days for each diffuser unit purchased. This way, you can continue supporting a calmer environment for your cats without having to worry about running out.

Select the “Subscribe & Save Extra 25%” option to subscribe without the stress!

✓ Subscribe and Save
✓ 30-Day Money Back Guarantee

We’re so confident your cats will be happier and calmer, all of our products are backed by a 30 day money back guarantee.

If you’re not 100% satisfied with our product, simply contact our team and we’ll refund your entire order.

Or if something isn't right, contact us and we'll deal with it for no additional charge.

"We had been rotating our 2 cats between rooms for months. Now they can actually be in the same room without everything turning into a chase!!"
✹ Lisa H. - Verified Buyer ★★★★★
"I had already bought other calming stuff... But this made more sense because it gives you the diffuser AND tells you what to actually do next."
✹ Karen W. - Verified Buyer ★★★★★
"3 cats here. The biggest change is our bully-ish boy finally loses interest instead of watching the other two every second."
✹ Michelle P. - Verified Buyer ★★★★★

24/7 Calming Effect

Drug-Free & Pill-Free

FREE veterinary support

Why 17,000+ Multi-Cat Families Switched to TryKitto Lab

When tension between two cats has been building for weeks or months, there is rarely just one thing that needs to change. That is why every part of the Multi-Cat Peace Protocol has a specific job.

Create A Safer Home

The diffuser continuously releases feline pheromone signals, mimicking the ones mother cats naturally produce around kittens, to help your cats feel less on alert around each other.

Keep The Support Going

The 2 included refills provide up to 60 days of continuous pheromone support without unnecessary interruptions.

Follow A Step-By-Step Plan

The Open Door Blueprint ebook shows you how to gradually reduce tension, manage interactions, and reopen shared spaces without rushing your cats.

TryKitto Lab Multi-Cat Peace System

Get Professional Support

You get email access to a veterinarian experienced in multi-cat relationships and behavioral conflict whenever you are unsure what to do next.

Find Hidden Marking

The UV flashlight helps reveal urine traces you cannot see normally, so hidden territorial scent marks are not left behind to keep certain areas feeling contested.

Remove Territorial Scent Traces

The enzymatic cleaning spray helps break down urine residue and lingering scent traces, helping remove territorial signals that may contribute to ongoing tension.

TryKitto Lab Multi-Cat Peace System

Create A Safer Home

The diffuser continuously releases feline pheromone signals, mimicking the ones mother cats naturally produce around kittens, to help your cats feel less on alert around each other.

Keep The Support Going

The 2 included refills provide up to 60 days of continuous pheromone support without unnecessary interruptions.

Follow A Step-By-Step Plan

The Open Door Blueprint ebook shows you how to gradually reduce tension, manage interactions, and reopen shared spaces without rushing your cats.

Get Professional Support

You get email access to a veterinarian experienced in multi-cat relationships and behavioral conflict whenever you are unsure what to do next.

Find Hidden Marking

The UV flashlight helps reveal urine traces you cannot see normally, so hidden territorial scent marks are not left behind to keep certain areas feeling contested.

Remove Territorial Scent Traces

The enzymatic cleaning spray helps break down urine residue and lingering scent traces, helping remove territorial signals that may contribute to ongoing tension.

STOP MY CATS' ANXIETY!
✓ 30-DAY MONEY BACK GUARANTEE
FIND THE RIGHT SETUP FOR YOUR HOME

How Many Diffusers Does My Home Need?

The easiest way to think about coverage is by zones, not just total square footage. Walls, closed doors, and separate floors can limit how well pheromones move through your home, so larger or divided homes may need more than one diffuser.

🏠
A Simple Rule Of Thumb One diffuser can support up to approximately 700 sq. ft. of open space, but separate floors and rooms divided by closed doors should usually be treated as separate areas.
Open-plan studio home recommended for one pheromone diffuser
1 Diffuser
STUDIO / OPEN-PLAN APARTMENT

One Main Shared Area

If your living and sleeping areas are connected and your cats spend most of their time in the same open space, one centrally placed diffuser may be enough.

📍 Place it: in the main room your cats use most.
Two-story home recommended for two pheromone diffusers
2 Diffusers
SMALL TWO-STORY HOME

One Diffuser On Each Floor

If your living space is downstairs and your bedroom is upstairs, treat each floor as its own zone. A diffuser downstairs should not be expected to provide the same support throughout the floor above.

📍 Place them: one in the main downstairs area and one upstairs where your cats spend the most time.
Three-room home recommended for three pheromone diffusers
3 Diffusers
MULTI-ROOM HOME

Cover The Main Areas Your Cats Use

With a living room and multiple bedrooms, one diffuser in a hallway may not cover every important area. Use separate diffusers in the rooms or zones where your cats spend significant time.

📍 Place them: in the living area and the two main rooms your cats regularly use.
Large two-story multi-room home recommended for four pheromone diffusers
4 Diffusers
LARGE / MULTI-STORY HOME

Give Each Key Zone Its Own Support

In a larger two-story home with several frequently used rooms, coverage should follow where your cats actually live and interact. Separate floors and closed rooms may each need their own diffuser.

📍 Place them: across the main downstairs zones and the key upstairs rooms used by your cats.
🚪 What If My Cats Are Currently Separated?

If your cats are living in different rooms with the door closed, do not rely on one diffuser outside the rooms to cover both cats. During the separation phase, place a diffuser in each main area the cats are currently using.
As you begin reopening shared spaces with the Open Door Blueprint, you can reassess placement based on where your cats are spending time and interacting most often.

Where Should I Actually Plug Them In?

✓ Choose rooms where your cats spend the most time.
✓ Prioritize areas where tension or territorial behavior happens.
✓ Use a separate diffuser for different floors or closed-off zones.
✓ Keep the diffuser unobstructed by furniture, curtains, or enclosed spaces.

You do not automatically need one diffuser in every room. The goal is to give consistent coverage to the areas your cats actually use. Larger homes, separate floors, and rooms divided by closed doors may require additional diffusers.

A Gradual Path Toward A More Peaceful Home

The goal is not to put your cats together and hope they “work it out.” It is to create the conditions for calmer, more predictable interactions without continuing to reinforce the same pattern of conflict.

Create A Calmer Environment

Plug the pheromone diffuser into one of the main areas your cats use. It works continuously in the background while you follow the rest of the Protocol.

Identify And Remove Potential Territorial Triggers

If urine marking is part of the tension, use the UV flashlight and enzymatic spray to locate and treat hidden territorial trigger scent traces.

Create A New Pattern Between Your Cats

Follow the Open Door Blueprint to gradually rebuild shared space. The goal is not to force them to like each other. It is to help them repeatedly experience a new pattern: seeing each other, sharing space, and nothing bad happening.

Get Support When You Need It

If you are unsure when to move forward, when to slow down, or how to interpret a specific reaction, you can reach out to the veterinarian support included with your Protocol.

Reduce The Tension. Create More Neutral Interactions. Rebuild Shared Space.

A Diffuser Can Help The Environment,
 But It Can’t Tell You What To Do Next

Maybe you have already tried Feliway. Maybe you have already kept your cats separated. Maybe you have already tried reintroducing them.
That does not necessarily mean those things were useless.

The problem may have been expecting one isolated part of the process to solve the entire conflict.

Typical Calming
Diffuser
Continuous pheromone support
✓
✓
Step-by-step coexistence plan
✓
✕
Guidance for reopening shared spaces
✓
✕
Helps address territorial marking when present
✓
✕
UV detection + enzymatic cleaning tools
✓
✕
Specialized veterinary support
✓
✕
Guidance for recognizing progress
✓
✕
TryKitto Lab veterinary support

YOU DON'T HAVE TO FIGURE IT OUT ALONE

Specialized Veterinary Email Support

You have access to a veterinarian experienced in feline relationships, multi-cat coexistence, and behavioral problems between cats.

You can reach out when:

You are unsure whether to move to the next step
Their interactions seem to have stalled
One cat continues hiding
Chasing starts again
You do not know how to interpret a certain behavior
You are unsure whether the situation is still appropriate to manage at home
You simply do not know what to do next

Instead of spending hours on forums trying to interpret every hiss or chase, you have a qualified professional you can ask.

Because A Complete Protocol Shouldn’t Leave You Alone When The Box Arrives.

What Progress Actually Looks Like

They Don’t Have To Become Best Friends. They Just Need To Share The Home Again.

DAY 1/3

Passing Without Reacting

They can cross paths without hissing, chasing, swatting, or immediately going on alert.

DAY 5/8

Sharing Space More Calmly

They can relax in the same room or use the same areas of the home without constant tension.

DAY 10/20

Opening The House Back Up

Doors that had to stay closed can stay open again, without you constantly managing who goes where.

What Progress Actually Looks Like

They Don’t Have To Become Best Friends. They Just Need To Share The Home Again.

DAY 1/3

Passing Without Reacting

They can cross paths without hissing, chasing, swatting, or immediately going on alert.

DAY 5/8

Sharing Space More Calmly

They can relax in the same room or use the same areas of the home without constant tension.

DAY 10/20

Opening The House Back Up

Doors that had to stay closed can stay open again, without you constantly managing who goes where.

5 Star Ratings and Reviews

Barbara M.
Barbara M.
US
★ ★ ★ ★ ★
Jul 3, 2026

I stopped waiting for them to become friends

We have 3 cats, Pepper, Olive and Moose. Pepper and Moose had been having issues for months and I kept judging everything by whether they were suddenly getting along. That made every little setback feel like failure. The biggest thing this system changed was honestly my expectations. We started watching for smaller things. Pepper staying in the room. Moose seeing her and looking away. Both cats using the hallway without one following the other…. They are NOT cuddling and I don't care!!! The house is calmer and I don't have to supervise every doorway anymore. That's what I wanted

James C.
James C.
US
★ ★ ★ ★ ★
Jun 1, 2026

More useful than the other diffuser we tried

We had already used another well known diffuser for our 2 cats and I couldn't really tell what I was supposed to be looking for..TryKitto made more sense to me because the diffuser isn't presented like it's supposed to solve everything by itself. The Blueprint tells you what to do with the calmer environment and when you're probably pushing things too quickly! Our first noticeable change was around the second week.Hank walked into the room, Scout looked at him and then just went back to sleep. Sounds ridiculous but that had not happened in MONTHS

Donna P.
Donna P.
US
★ ★ ★ ★ ★
Apr 15, 2026

The veterinary support made me feel so much better

We have 4 cats and every situation online sounded different from ours. One cat was hiding, another was staring, sometimes there was chasing but sometimes everybdy seemed fine. I emailed because I genuinely couldn't tell if we should keep progressing or separate them again. Having someone knowledgeable to ask was probably my favorite part of the system. I didn't feel like I had to spend another night reading 40 Reddit threads trying to decide what one tail flick meant! Still working through everything but our house is already much less tense.

Jessica F.
Jessica F.
US
★ ★ ★ ★ ★
Feb 5, 2026

The refill situation is much better than I expected

One thing I hate with pet products is buying something and then finding out the starter supply lasts five minutes.. The 2 refills included here give u up to about 60 days of support which made much more sense for something where u're trying to change a pattern over time. We're around week 4 with our 3 cats nd no miracle overnight transformation, but fewer chases, less staring and our timid cat Cosmo has started staying downstairs again. I'll take that all day!

Maryann T.
Maryann T.
US
★ ★ ★ ★ ★
Jan 21, 2026

No problem with our dog

2 cats and a big goofy Golden Retriever here. I was initially unsure about adding another plug-in product because the dog basically goes everywhere the cats go. The information explaining that the feline pheromone signal is specifically for cats answered that concern for me, and our dog has carried on exactly as usual. The cats are the ones we're watching and the biggest change has been less chasing around the living room. For us it has been a really easy thing to incorporate into the house.

HOW TO USE

Set It Up Right From Day 1

Insert the refill into the TryKitto Lab diffuser STEP 1

Insert The Refill

Secure the refill into the diffuser according to the included instructions.

Choose a key area for the TryKitto Lab diffuser STEP 2

Choose A Key Area

Place the diffuser in the room where your cats spend the most time or in one of the main areas where their interactions take place.

Plug the TryKitto Lab diffuser directly into the wall STEP 3

Plug It Into The Wall

The refill vial should remain upright and directly below the plug-in unit. Do not use a power strip or surge protector.

Leave the TryKitto Lab diffuser running continuously STEP 4

Leave It Running Continuously

Keep the diffuser operating while you follow the rest of the Multi-Cat Peace Protocol.

For Proper Diffusion, Avoid:

Windows • Doors with strong drafts • Air vents • Power strips • Surge protectors • Furniture directly blocking the diffuser • Rooms your cats rarely use

If your cats use separate floors or different areas of the home, you may need more than one diffuser.

Frequently Asked Questions

Not necessarily.

It depends on the level of tension and how your cats currently respond to one another.

The Open Door Blueprint helps you understand how to manage their spaces and gradually move forward without forcing interactions they are not ready for.

If their interactions cannot be managed safely, professional help may be appropriate.

The goal of the Multi-Cat Peace Protocol is not to turn every pair of cats into inseparable friends.

For many families, the desired outcome is much simpler:

sharing the same home without constant chasing, threats, hiding, or closed doors.

A sudden change can be especially important to investigate.

A veterinary visit, a new scent, an outside animal, a household change, or another experience may affect the way two cats suddenly respond to each other.

Every pair of cats and every situation is different.

Do not necessarily expect them to suddenly start sleeping together.

Look for smaller changes first:
less staring,
fewer chases,
a hiss that does not escalate into a fight,
one cat staying in the room instead of running away,
longer periods of calm,
or gradually being able to share more areas of the home.

Those smaller changes can be signs that the pattern is beginning to shift.

Do not measure success by whether your cats suddenly become friends.

Real progress may look like:
seeing each other without immediately reacting,
walking past each other without a chase,
relaxing in the same room,
using the same areas of the home at different times without tension,
or being able to leave open a door that previously had to stay closed.

Place the diffuser in the room where your cats spend the most time or in one of the main areas where their interactions take place.

Each diffuser currently covers approximately 700 sq. ft.

If your cats use different floors, spend significant time in several important rooms, or currently live in separate areas of the home, it may be helpful to use one diffuser in each key area.

Avoid outlets near windows, doors, or air vents.

Do not plug the diffuser into a power strip or surge protector.

The refill vial should remain upright directly below the plug-in unit.

Not getting the result you wanted from one diffuser does not necessarily mean pheromone support cannot be useful.

TryKitto Lab does not rely on the diffuser alone.

The Multi-Cat Peace Protocol combines environmental pheromone support, a structured plan for rebuilding shared spaces, tools for addressing potential territorial triggers, and specialized veterinary support.

The diffuser is one part of the system.
Not the entire system.

If there is no territorial marking in your home, you may simply not need to use those tools.

They are included because urine marking can accompany territorial tension in some multi-cat households, and traces may sometimes be hidden from view.

The core of the Multi-Cat Peace Protocol remains the environmental support, the Open Door Blueprint, and the gradual management of interactions.

Every household is different.

Some families may choose to maintain ongoing environmental support, especially when social or environmental triggers remain present.

Others may use it more intensively during periods of change or while working through the coexistence process.

The Protocol is designed to give you a structured approach, not simply make you dependent on a refill.

Yes. The feline pheromones used in the diffuser are specifically designed for cats. Your dog won't interpret them as a feline pheromone signal and won't receive the same calming effect as cats.

This means you can use the diffuser in a home where cats and dogs live together, just follow the product's instructions.

Feline pheromones are species-specific: they are designed to be detected by cats and do not produce the same behavioural response in humans, dogs or other pets.

TryKitto Lab pheromones are harmless to adults, children, dogs and other pets when used as directed.

The formula contains two different analogues of cats’ reassuring pheromones, designed to replicate the type of reassuring signals associated with feline social communication, particularly that used by mother cats with their kittens.

That is exactly why the Multi-Cat Peace Protocol includes specialized veterinary email support.

If you are unsure how to interpret a particular interaction, the process seems to have stalled, or you do not know whether it is time to move forward, you can ask a TryKitto Lab professional experienced in feline relationships and multi-cat coexistence for guidance.